(March 22, 2013 at 8:01 am)Aractus Wrote: Because it is poorly explained, to put it simply.
What we know about evolution is WHAT it achieves. We know almost nothing about HOW. There are competing theories, and all have been rigorously tested, and yet we still haven't figured out what actually drives Evolution and causes it to "work".
Really?
http://evolution.berkeley.edu/evolibrary...tations_01
(Combined with natural selection)